improvements, improvements to riding quality, reconstruction of culvert, construction of retaining wall including up keeping for a period of 60 months in govt. roads in respect of aranthangi (h), c&m subdivision. road a, 01-cridp-19-20-i-4329, improvements to riding quality at km 98/0 - 101/0 of thanjavur - pattukottai - aranthangi - karaikudi - kallal - kalaiyarkoil- maravamangalam - elayankudi - paramakudi - mudukulathur - sayalkudi road (sh29) including upkeeping for a period of 60 monthsroad b, 01-cridp-19-20-i-4354, improvements to riding quality at km 3/0 - 6/4 of eruchi - erukkalakottai road including upkeeping for a period of 60 monthsroad c, 01-cridp-19-20-i-4355, improvements to riding quality at km 0/0 - 3/8 of km 44/2 of pattukkottai - aranthangi road to erukkalakttai via kurunthirakottai road including upkeeping for a period of 60 monthsroad d, 01-cridp-19-20-o-2368, improvements of vallavari - aranthangi road to ayingudi south road at km 0/0 - 3/6 including upkeeping for a period of 60 monthsroad e, 01-cridp-19-20-o-2372, improvements of arasarkulam road at km 0/0 - 2/6 including upkeeping for a period of 60 monthsroad f, 01-cridp-19-20-o-2365, improvements of venthiyangudi - krishnanjipattinam road at km 1/0 - 4/0 including reconstruction of culvert at km 3/6 and construction of retaining wall at km 3/2 & 3/4 including upkeeping for a period of 60 months road g, 01-cridp-19-20-p-3648, improvements of kalakudi harijan colony road to meivayal at km 0/0 - 1/4 including reconstruction of culverts at km 0/8 and 0/10 (using plastic waste) including upkeeping for a period of 60 months